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A customer will connect several motors in parallel for conveyor application, and they will be driven by a ATV68C23N4. However, the total motors' ratin...

Goals and Symptoms

A customer will connect several motors in parallel for conveyor application, and they will be driven by a ATV68C23N4. However, the total motors' rating current is less than ATV68C23N4's current. How to setup the motor data in Menu B3 for this case? Is there any particular parameter setting need to be configured for this motor parallel case?

Causes and Fixes

For this application there is some restrictions :

- need to have same motors
- same cabe lenght for each motor

However, for the B3 menu :
B3.00 = global power ( sum of motors )
B3.01 = global current
B3.02 = nominal voltage
B3.03 = nominal frequency
B3.04 = nominal speed
B3.05 = nominal network voltage

And make a tune only if you have exactly same motors.

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